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Thread: ECLIPSE Asignation

  1. #21
    ic-racer's Avatar
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    Feb 2007
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    Re: ECLIPSE Asignation

    Quote Originally Posted by jnantz View Post
    YES!
    IC thanks, you made my day
    I was just looking over my H8 films and wishing I still had my camera LOL
    and BOOM there you are
    looking forward to hearing how it went
    John
    Waiting for the sun to do some dry runs. Finally got some sun today.
    Practice is needed. Lots of little unexpected things.
    For example the lens is 1000mm equivalent focal length. The Bolex reflex finder is already very dim, and with the solar filter, the sun is a dim disk. Any cloud cover and it totally disappears in the viewfinder.
    Locating the sun with the lens is quite difficult with the filter in place.
    I had to rig up a 'spotting scope' with the Ocatameter viewfinder on the side of the camera.
    The sun moves very fast across the frame at that magnification, so constant little adjustments are needed.

    I'm also planning on running a second camera with a wide angle lens running at 0.5 FPS for time lapse. Hope to have it set up behind the 'audience' so they are in the frame.


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  2. #22

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    Re: ECLIPSE Asignation

    from what I understand from astronomers I know, once there is totality, filters aren't needed. But it's important to have eye protection until Baily's Beads are visible (at start and conclusion of totality). The Diamond Ring (if visible) will happen just before the beads.

    My plan it to use a solar filter over my 400 lens (will set dslr to dx mode), remove it during totality (hopefully 3+ minutes), then reattach. Camera will be running on intervalometer so I can see it visually.

    Fingers crossed we have clear skies.
    notch codes ? I only use one film...

  3. #23
    Tin Can's Avatar
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    Re: ECLIPSE Asignation

    My daughter a 7th grade teacher just loaded a bus full

    Headed down state to view the ECLIPSE!

    God Bless them ALL!
    Tin Can

  4. #24
    Jim Jones's Avatar
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    Aug 2006
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    Chillicothe Missouri USA
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    Re: ECLIPSE Asignation

    Quote Originally Posted by John Layton View Post
    Jim, I've never photographed an eclipse in the manner that you have above, but am thinking I'd like to try this. So...I have two questions, first one being: what film, filter, aperture/exposure time? (oops, that's three questions!). And two: time interval between each snap of the shutter? Thanks!

    (yeah I know...I can probably figure this stuff out - but then I'd have only myself to blame if I mess up - and what's the fun in that? )
    If we drastically round off figures so the moon has a diameter of 2,000 miles, it's orbit's diameter is 480,000 miles, and the value of pi is 3, then in one day the moon appears to travel 720 times it's own diameter through the sky and 30 times it's diameter in one hour. Clicking the shutter every two minutes spaced the moon images close together on sheet film in a press camera. Since the moon's surface is much darker than Earth's, the aperture and shutter were set for two or three stops more exposure than for sunny snapshots on Earth. The film was whatever I normally use for scenic shots. No filter. This eclipse was many years ago, and I didn't record all the details.

  5. #25
    multiplex
    Join Date
    Feb 2001
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    local
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    5,381

    Re: ECLIPSE Asignation

    Quote Originally Posted by ic-racer View Post
    Waiting for the sun to do some dry runs. Finally got some sun today.
    Practice is needed. Lots of little unexpected things.
    For example the lens is 1000mm equivalent focal length. The Bolex reflex finder is already very dim, and with the solar filter, the sun is a dim disk. Any cloud cover and it totally disappears in the viewfinder.
    Locating the sun with the lens is quite difficult with the filter in place.
    I had to rig up a 'spotting scope' with the Ocatameter viewfinder on the side of the camera.
    The sun moves very fast across the frame at that magnification, so constant little adjustments are needed.

    I'm also planning on running a second camera with a wide angle lens running at 0.5 FPS for time lapse. Hope to have it set up behind the 'audience' so they are in the frame.


    Click image for larger version. 

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    mind blowing stuff, blazing what looks like the switars !

  6. #26

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    Mar 2005
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    Newbury, Vermont
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    Re: ECLIPSE Asignation

    Jeesh I've got family coming up from NYC (Hastings), Providence, and Boston, and need to feed them all (don't get me wrong will be fun!), and some are heading up to Burlington where it will be an absolute, total zoo...especially seeing as how Vermont is getting it backwards, weather-statistics wise...by giving us a clear and sunny day for the eclipse - whereas other parts of the U.S....those which were supposed to be clear and sunny, will be under clouds. What this means is that not only will our population increase by possibly 200,000 (30%!), but these "extra" folks, plus lots of the rest of us, will all be cramming themselves in that all-powerful, sacred strip of totality....aaaahhhhh!!!

    For my wife and myself...well, we're already in a location which offers 99.9% of totality - but from what I've heard from "the experts," this still will not cut the mustard...so north we will (also) travel!

    As for optics and/or photos...well, I've got this old, funky "Sun" zoom which was given to me...a 190 - 430mm (and I've got a doubler buried someplace also), and am thinking I'll rig this with a focussing screen, slap on a filter...and enjoy the show!

  7. #27

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    Denbigh, North Wales
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    Re: ECLIPSE Asignation

    Good luck John, but yes, full totality is the business. When the light goes out like a dimmer switch and the corona comes up pink around the moon, that's when you realise it was worth it and you are having a major life experience.

    ps. anyone who is going to be taking pictures of totality, please take the filter off at that stage, if it hasn't already been said.

  8. #28

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    Re: ECLIPSE Asignation

    I'll be using a solar filter on the hood of my telephoto (it will come off quickly during totality, then back on when the moon moves off). A friend tried out a 16 stop ND on it looks fine, guessing the sensor was ok. gonna be a pain to unscrew without bumping the framing. I'll also be running the camera's intervalometer if clouds don't roll in haha

    wish I had a Lunt and a camera adapter.
    notch codes ? I only use one film...

  9. #29
    Tin Can's Avatar
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    Re: ECLIPSE Asignation

    it is crazy here

    Many phone calls I stopped answering

    and then they drive off for a better dream
    Tin Can

  10. #30
    Tin Can's Avatar
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    Re: ECLIPSE Asignation

    Southern Illinois University

    Is a giant campus, with a good chance

    For open sky

    The giant campus will be open 24/7

    Which means toilets and parking
    Tin Can

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